I must say I was highly impressed with his work. I purchased one of Jeffo fuel maps for my Cbr600rr. I have been searching for months for the right map for my 2004 gsxr1000 with no luck and i finally found one thanks to a guy telling me about someone named jeffo. I want to give a big thank you to JEFFO MAPS, I had put a power commander5 on my v-rod and had no success with any tunes in map.So I seen JEFFO maps website and messaged him Jeff had gotten back to me. If you're on the fence about getting a tune fr.

Pulls smooth and with authority through all 5 gears and actually idles right again. What black magic is this?! This is a completely different animal now. After reaching out to Jeffo and providing all of my i. I had changed cams, added a PC5 and needed a tune. I just wanted to say thanks for great quick reply’s, phone calls and all around great service. I came across Jeffo after a search on google and being tired of getting flat maps that Fuel Moto just told me they cant fix because its the best they have fo. I've never had a remote tuning experience.

Jeffo does an amazing job customizing maps for your specific Motorcycle needs.Wether or not your bike is stock,or upgraded! He takes everything into consideration,riding style,your elevation,what time. NOTHING MORE TO SAY! BETWEEN THE EXHAUST AND MAP.

Power commander v custom maps